/* Nati Almaliah & Tamir Zilberman */

* { /* Basic for all html */
    box-sizing: border-box;
    margin: 0;
    padding: 0;

}

body{
    font-family: 'Rubik', sans-serif;
    font-weight: bold;
    min-height: 100vh;

}
.general-body {
    display: flex;
    flex-direction: column;
}

.general-body #background {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 100%;
    opacity: 0.5;
    z-index: -10;
}


.wrapper {  /*make the wraper push the footer down*/
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    /*!*min-height: calc(100vh - 136px);*!*/
    margin: 70px 0 0 0;
}


header {

    width: 100%;
    background-color: rgb(56, 56, 56);
    position: fixed;
    top: 0;
    left: 0;
    font-size: 0;
    padding: 5px 2px 5px;
    z-index: 10;

}

footer {
    padding: 10px 20px;
    width: 100%;
    background-color: rgb(56, 56, 56);
    color: rgb(188, 189, 190);
    font-size: 12px;
    height: 36px;
    margin-top: 30px;
    text-align: center;

}

.nav_bar {
    height: 100%;

}

.nav_bar a {
    padding: 13px 20px;
    height: 100%;
    text-decoration: none;
    color: rgb(188, 189, 190);
    display: inline-block;
    font-size: 14px;
    border-radius: 7px;
    background-color: rgb(63, 63, 63);
    margin: 2px;
}

.nav_bar a:hover {
    background-color: rgba(44, 44, 44, 0.911);
}

#sign-out {
    float: right;
}

#hi {
    font-weight: bold !important;
    text-align: right;
    margin-right: 2%;
    font-size: 20px;
}

.current{
    background-color: #666 !important;
}

/*return-to-top*/
#return-to-top {
    position: fixed;
    bottom: 40px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: block;
    text-decoration: none;
    border-radius: 35px;
    z-index: 10;
    background:  url("../images/chevron-up-solid.svg") no-repeat;
}
#return-to-top:hover{
    bottom: 45px;
}


@media only screen and (max-width: 600px) { /*fixed the margin when the navigation bar become higher*/
    .wrapper{
        margin: 130px 0 0 0;
    }
}